Twin Oaks has 8 groundwater monitoring wells, 7 of which have been polluted above federal advisory levels based on samples collected between June 14, 2016 and October 10, 2017. Groundwater at this site contains unsafe levels of cobalt, radium, arsenic, lithium, sulfate and thallium.Site description
Twin Oaks Power One is a 349 MW coal power plant located in Robertson County, Texas. Twin Oaks began operations in 1990, and is owned and operated by Major Oak Power, LLC, a subsidiary of Blackstone Group, LP. The plant has a lined landfill regulated under the federal coal ash rule. The Twin Oaks’ Closure Plan estimates the landfill’s largest possible area to be 129 acres.
For more information about Texas Coal Ash, see Earthjustice's fact sheet, Texas and Coal Ash Disposal in Ponds and Landfills.